An object is placed in a graduated cylinder containing 15 mL of water, and the water rises up to 30 mL. If the mass of the object is 54g, will it float in water?

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

if it's not useful, feel free to report for mistake in answer.

gas and precipitate r the correct answers